5 Seconds of Summer guitarist Michael Clifford tweeted this photo of himself after an accident at Wembly Arena.

(CNN) — Australian pop band 5 Seconds of Summer cut short a concert in London on Saturday after guitarist Michael Clifford was injured by pyrotechnics.

The news made #GETWELLSOONMICHAEL a trending topic on twitter Saturday night as fans wished him well. An image from Clifford’s verified Twitter account showed him with half of his face wrapped in bandages.

“Sorry I couldn’t finish the encore but at least I look like two face,” the tweet said. “Thanks for worrying.”

Video and images from the Wembley Arena concert show Clifford walking into a path of pyrotechnics as the band played. He jumps suddenly as a plume of smoke streams from his head.

More video from the concert shows band mate Ashton Irwin breaking the news to screaming fans.

“Michael has hurt himself so we will not be continuing the show right now,” said, “He is OK.”

The band’s representatives did not immediately respond tor requests for comment.